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Cummins/Onan — Service Procedure

For these Cummins/Onan models: 3.6MKY, 4MKY.

Applies to: Cummins Onan 3 6Mky, Cummins Onan 4Mky

Procedure

  1. Remove the endbell and rotor (p. 7-4).
  2. Place the rotor in the machine lathe and center.
  3. Clean and reinstall the rotor (p. 7-5).

Source: manual:981-0531 Onan MKY Spec J Pontoon Service Manual (8-1999).pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.